19296880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 60

約数和(自身を含む): 46543896

約数和(自身を除く): 27247016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 251, 310, 496, 502, 620, 961, 1004, 1240, 1255, 1922, 2008, 2480, 2510, 3844, 4016, 4805, 5020, 7688, 7781, 9610, 10040, 15376, 15562, 19220, 20080, 31124, 38440, 38905, 62248, 76880, 77810, 124496, 155620, 241211, 311240, 482422, 622480, 964844, 1206055, 1929688, 2412110, 3859376, 4824220, 9648440, 19296880]

約数ペア:

[(1, 19296880), (2, 9648440), (4, 4824220), (5, 3859376), (8, 2412110), (10, 1929688), (16, 1206055), (20, 964844), (31, 622480), (40, 482422), (62, 311240), (80, 241211), (124, 155620), (155, 124496), (248, 77810), (251, 76880), (310, 62248), (496, 38905), (502, 38440), (620, 31124), (961, 20080), (1004, 19220), (1240, 15562), (1255, 15376), (1922, 10040), (2008, 9610), (2480, 7781), (2510, 7688), (3844, 5020), (4016, 4805)]